2242: [SDOI2011]计算器 Time Limit: 10 Sec Memory Limit: 512 MBSubmit: 4353 Solved: 1679[Submit][Status][Discuss] Description 你被要求设计一个计算器完成以下三项任务: 1.给定y,z,p,计算Y^Z Mod P 的值: 2.给定y,z,p,计算满足xy≡ Z ( mod P )的最小非负整数: 3.给定y,z,p,计算满足Y^x ≡ Z ( mod P)的最小非负整数. In
#include <iostream>using namespace std;typedef double stackEntry; const int overflow = 1;const int underflow = 2;const int success = 0; const int maxstack = 100;//栈的最大尺寸class stack{public: stack(); int pop(); int push(const stackEntry &item); in
代码部分: public partial class 计算器 : Form { public 计算器() { InitializeComponent(); } private double sum = 0;//存放运算结果 private string biaodashi="";//用于存放除了刚点过的运算符的前面表达式部分 private string preyunsuanfu="";//用来存放上一步运算符,用于下次点运算符的时候算上一步的结果 private
Implement a basic calculator to evaluate a simple expression string. The expression string may contain open ( and closing parentheses ), the plus + or minus sign -, non-negative integers and empty spaces . You may assume that the given expression is